This character is a Other Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. U+1F9CA offers a line break opportunity at its position, except in some numeric contexts.
The CLDR project calls this character “ice” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: cold, cube, iceberg.
This character is designated as an emoji. It will be rendered as colorful emoji on conforming platforms. To reduce it to a monochrome character, you can combine it with Glyph for U+FE0EVariation Selector-15: 🧊︎ See the Emojipedia for more details on this character’s emoji properties.
The Wikipedia has the following information about this codepoint:
An ice cube is a small piece of ice, which is typically rectangular as viewed from above and trapezoidal as viewed from the side. Ice cubes are products of mechanical refrigeration and are usually produced to cool beverages. They may be produced at home in a freezer with an ice tray or in an automated ice-making accessory. They may also be produced industrially and sold commercially.
Representations
System
Representation (click value to copy)
Nº
129482
UTF-8
F0 9F A7 8A
UTF-16
D8 3E DD CA
UTF-32
00 01 F9 CA
URL-Quoted
%F0%9F%A7%8A
HTML hex reference
🧊
Wrong windows-1252 Mojibake
🧊
Encoding: GB18030 (hex bytes)
95 30 DF 36
RFC 5137
\u'1F9CA'
Bash and Zsh inside echo -e
\U0001F9CA
C and C++
\U0001F9CA
C#
\U0001F9CA
CSS
\01F9CA
Excel
=UNICHAR(129482)
Go
\U0001F9CA
JavaScript
\uD83E\uDDCA
Modern JavaScript since ES6
\u{1f9ca}
JSON
\uD83E\uDDCA
Java
\uD83E\uDDCA
Lua
\u{1F9CA}
Matlab
char(129482)
Perl
"\x{1F9CA}"
PHP
\u{1f9ca}
PostgreSQL
U&'\+01F9CA'
PowerShell
`u{1F9CA}
Python
\U0001F9CA
Ruby
\u{1f9ca}
Rust
\u{1f9ca}
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